method IsolatedWorld.prototype.waitForFunctionRe-exportimport { IsolatedWorld } from "https://deno.land/x/puppeteer@16.2.0/mod.ts"; waitForFunction(pageFunction: Function | string,options?: { polling?: string | number; timeout?: number; },...args: unknown[],): Promise<JSHandle>ParameterspageFunction: Function | stringoptionaloptions: { polling?: string | number; timeout?: number; }...args: unknown[]ReturnsPromise<JSHandle>